Yamaguchi
Japan
3
2015-05-07
The entities that hold a legal rights for patent applications filed by inventor Ishida Gen:
Gen Ishida from Yamaguchi, JP has applied for patents for these inventions. The list has both pending applications and granted patents:
Method for producing hard disk substrate
#2 | 2015-03-05METHOD FOR PRODUCING HARD DISK SUBSTRATE
#3 | 2010-10-21Method of surface-finishing glass substrate for magnetic disks and glass substrate for magnetic disks
1087191 ⎘